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Foundations of Wireless and Electronics, 10th Edition
book

Foundations of Wireless and Electronics, 10th Edition

by M. G. Scroggie, S. W. Amos
October 2013
Intermediate to advanced content levelIntermediate to advanced
570 pages
27h 46m
English
Newnes
Content preview from Foundations of Wireless and Electronics, 10th Edition
33
Resistance
Current through Potential difference
)
it (mA)
across it (V)
100 122.5 12.25
200 67.68
13.54
500
27.07 13.54
R
4
150 94.75
14.21
1000
27.75 27.75
R
326.5 122.5
40
Note that by using suitable resistors any potential intermediate
between those given by the terminals of the battery can be obtained.
For instance, if the lower and upper ends of the battery in Fig. 2.11
are regarded as 0 and + 40 (they could equally be reckoned as - 40
and 0, or - 10 and + 30, with respect to any selected level of voltage),
the potential of the junction between R
3
and R
4
is 14.21 V. The
arrrangement is therefore called a potential divider,
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Publisher Resources

ISBN: 9781483105574